Moloney murine leukemia virusLeukemia Virus, MurineFriend murine leukemia virusLeukemia, ExperimentalRetroviridae InfectionsAKR murine leukemia virusRetroviridaeMoloney murine sarcoma virusRNA-Directed DNA PolymeraseDNA, ViralAbelson murine leukemia virusCell LineGenes, ViralGene Products, gagBase SequenceProvirusesSarcoma Viruses, MurineMolecular Sequence DataRauscher VirusMink Cell Focus-Inducing VirusesRNA, ViralVirus ReplicationPreleukemia3T3 CellsLeukemia Virus, FelineGammaretrovirusGenetic VectorsVirus IntegrationRepetitive Sequences, Nucleic AcidTumor Virus InfectionsRibonuclease HReceptors, VirusCell Transformation, ViralViral Envelope ProteinsGenes, gagLeukemia Virus, BovineVirionViral ProteinsGene Products, envMurine Acquired Immunodeficiency SyndromeAmino Acid SequenceMice, Inbred StrainsDefective VirusesRetroviridae Proteins, OncogenicLeukemiaRetroviridae ProteinsCloning, MolecularIntegrasesGenes, polMice, Inbred AKRHelper VirusesTransfectionRecombination, GeneticDNA, RecombinantMutationGenes, envTransduction, GeneticTranscription, GeneticVirus AssemblyRadiation Leukemia VirusEnhancer Elements, GeneticNucleic Acid HybridizationTerminal Repeat SequencesOncogenesThymus NeoplasmsPlasmidsLymphomaGene Expression Regulation, ViralCells, CulturedMice, Inbred BALB CHylobatesHIV-1Genome, ViralAvian myeloblastosis virusMinkParalysisLeukemia Virus, Gibbon ApeLeukemia, Myeloid, AcuteDNA Restriction EnzymesEndogenous RetrovirusesThymomaRNA, Transfer, ProBlotting, SouthernLymphoma, T-CellCell Transformation, NeoplasticRestriction MappingSpleenProto-Oncogene Proteins c-pim-1CapsidSpecies SpecificityHuman T-lymphotropic virus 1DNA PrimersMice, Inbred C57BLGiant CellsFusion Proteins, gag-polNIH 3T3 CellsBinding SitesAntigens, ViralPolymerase Chain ReactionViral Plaque Assay